2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.raft;
11 import akka.actor.ActorRef;
12 import akka.actor.ActorSelection;
13 import akka.actor.ActorSystem;
14 import akka.actor.Props;
15 import com.google.common.base.Preconditions;
16 import com.google.protobuf.GeneratedMessage;
17 import java.io.Serializable;
18 import java.util.HashMap;
20 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
21 import org.opendaylight.controller.protobuff.messages.cluster.raft.AppendEntriesMessages;
22 import org.opendaylight.controller.protobuff.messages.cluster.raft.test.MockPayloadMessages;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 public class MockRaftActorContext implements RaftActorContext {
29 private ActorSystem system;
30 private ActorRef actor;
31 private long index = 0;
32 private long lastApplied = 0;
33 private final ElectionTerm electionTerm;
34 private ReplicatedLog replicatedLog;
35 private Map<String, String> peerAddresses = new HashMap<>();
36 private ConfigParams configParams;
37 private boolean snapshotCaptureInitiated;
39 public MockRaftActorContext(){
45 public MockRaftActorContext(String id, ActorSystem system, ActorRef actor){
50 final String id1 = id;
51 electionTerm = new ElectionTerm() {
53 * Identifier of the actor whose election term information this is
55 private final String id = id1;
56 private long currentTerm = 1;
57 private String votedFor = "";
60 public long getCurrentTerm() {
65 public String getVotedFor() {
70 public void update(long currentTerm, String votedFor){
71 this.currentTerm = currentTerm;
72 this.votedFor = votedFor;
74 // TODO : Write to some persistent state
77 @Override public void updateAndPersist(long currentTerm,
79 update(currentTerm, votedFor);
83 configParams = new DefaultConfigParamsImpl();
89 public void initReplicatedLog(){
90 this.replicatedLog = new SimpleReplicatedLog();
91 long term = getTermInformation().getCurrentTerm();
92 this.replicatedLog.append(new MockReplicatedLogEntry(term, 0, new MockPayload("1")));
93 this.replicatedLog.append(new MockReplicatedLogEntry(term, 1, new MockPayload("2")));
96 @Override public ActorRef actorOf(Props props) {
97 return system.actorOf(props);
100 @Override public ActorSelection actorSelection(String path) {
101 return system.actorSelection(path);
104 @Override public String getId() {
108 @Override public ActorRef getActor() {
112 @Override public ElectionTerm getTermInformation() {
116 public void setIndex(long index){
120 @Override public long getCommitIndex() {
124 @Override public void setCommitIndex(long commitIndex) {
125 this.index = commitIndex;
128 @Override public void setLastApplied(long lastApplied){
129 this.lastApplied = lastApplied;
132 @Override public long getLastApplied() {
137 public void setReplicatedLog(ReplicatedLog replicatedLog) {
138 this.replicatedLog = replicatedLog;
141 @Override public ReplicatedLog getReplicatedLog() {
142 return replicatedLog;
145 @Override public ActorSystem getActorSystem() {
149 @Override public Logger getLogger() {
150 return LoggerFactory.getLogger(getClass());
153 @Override public Map<String, String> getPeerAddresses() {
154 return peerAddresses;
157 @Override public String getPeerAddress(String peerId) {
158 return peerAddresses.get(peerId);
161 @Override public void addToPeers(String name, String address) {
162 peerAddresses.put(name, address);
165 @Override public void removePeer(String name) {
166 peerAddresses.remove(name);
169 @Override public ActorSelection getPeerActorSelection(String peerId) {
170 String peerAddress = getPeerAddress(peerId);
171 if(peerAddress != null){
172 return actorSelection(peerAddress);
177 @Override public void setPeerAddress(String peerId, String peerAddress) {
178 Preconditions.checkState(peerAddresses.containsKey(peerId));
179 peerAddresses.put(peerId, peerAddress);
182 public void setPeerAddresses(Map<String, String> peerAddresses) {
183 this.peerAddresses = peerAddresses;
187 public ConfigParams getConfigParams() {
192 public void setSnapshotCaptureInitiated(boolean snapshotCaptureInitiated) {
193 this.snapshotCaptureInitiated = snapshotCaptureInitiated;
197 public boolean isSnapshotCaptureInitiated() {
198 return snapshotCaptureInitiated;
201 public void setConfigParams(ConfigParams configParams) {
202 this.configParams = configParams;
205 public static class SimpleReplicatedLog extends AbstractReplicatedLogImpl {
206 @Override public void appendAndPersist(
207 ReplicatedLogEntry replicatedLogEntry) {
208 append(replicatedLogEntry);
212 public int dataSize() {
216 @Override public void removeFromAndPersist(long index) {
221 public static class MockPayload extends Payload implements Serializable {
222 private static final long serialVersionUID = 3121380393130864247L;
223 private String value = "";
225 public MockPayload(){
229 public MockPayload(String s) {
233 @Override public Map<GeneratedMessage.GeneratedExtension, String> encode() {
234 Map<GeneratedMessage.GeneratedExtension, String> map = new HashMap<GeneratedMessage.GeneratedExtension, String>();
235 map.put(MockPayloadMessages.value, value);
239 @Override public Payload decode(
240 AppendEntriesMessages.AppendEntries.ReplicatedLogEntry.Payload payloadProtoBuff) {
241 String value = payloadProtoBuff.getExtension(MockPayloadMessages.value);
248 return value.length();
251 @Override public String getClientPayloadClassName() {
252 return MockPayload.class.getName();
256 public String toString() {
261 public static class MockReplicatedLogEntry implements ReplicatedLogEntry, Serializable {
262 private static final long serialVersionUID = 1L;
264 private final long term;
265 private final long index;
266 private final Payload data;
268 public MockReplicatedLogEntry(long term, long index, Payload data){
275 @Override public Payload getData() {
279 @Override public long getTerm() {
283 @Override public long getIndex() {
289 return getData().size();
293 public static class MockReplicatedLogBuilder {
294 private final ReplicatedLog mockLog = new SimpleReplicatedLog();
296 public MockReplicatedLogBuilder createEntries(int start, int end, int term) {
297 for (int i=start; i<end; i++) {
298 this.mockLog.append(new ReplicatedLogImplEntry(i, term, new MockRaftActorContext.MockPayload("foo" + i)));
303 public MockReplicatedLogBuilder addEntry(int index, int term, MockPayload payload) {
304 this.mockLog.append(new ReplicatedLogImplEntry(index, term, payload));
308 public ReplicatedLog build() {